MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d9dfcc6b6ca6a08a839d8d87ec1e36e79523b63b4564ed22a5bba7adc6e0a55. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments 1

SHA256 hash: 8d9dfcc6b6ca6a08a839d8d87ec1e36e79523b63b4564ed22a5bba7adc6e0a55
SHA3-384 hash: bee38c3d779a74dd7ed5dc539d4af91f9f7050a6bda4dfc56e7d38faa2c9d0d30203aa4161e614ec80b918288c3e752d
SHA1 hash: 709036507f63409fc3fe5c4536d4f5c07166f0d6
MD5 hash: dbbdcd31dec4d569110f83e937656950
humanhash: don-oklahoma-august-helium
File name:dbbdcd31dec4d569110f83e937656950
Download: download sample
Signature Formbook
File size:1'429'408 bytes
First seen:2022-06-13 16:11:54 UTC
Last seen:2022-06-13 16:49:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:qOhiaEwa6LdE7BoGJVEv8CjFtyuVP6PpOco7:lAaha6aqGn48CXV6PYv7
TLSH T17F65AF0032EC4B2AD57F8BBA343248D55B7E7B4B6344E24D380C554D7A937468ACB6AF
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook signed

Code Signing Certificate

Organisation:Qualify
Issuer:Qualify
Algorithm:sha1WithRSAEncryption
Valid from:2022-06-01T07:09:55Z
Valid to:2023-06-01T07:09:55Z
Serial number: c3119c178c20e14a646fede3da9ccca0
Thumbprint Algorithm:SHA256
Thumbprint: d11080ca7a999b3e83663f08ff4b15281c4312647182b90649c07b2100007915
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
299
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dbbdcd31dec4d569110f83e937656950
Verdict:
Suspicious activity
Analysis date:
2022-06-13 16:27:47 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching the process to change network settings
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Searching for the window
Creating a window
Sending a custom TCP request
Adding an access-denied ACE
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching a tool to kill processes
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses regedit.exe to modify the Windows registry
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644698 Sample: JOCWE51NUV Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 9 other signatures 2->62 10 JOCWE51NUV.exe 3 2->10         started        process3 file4 48 C:\Users\user\AppData\...\JOCWE51NUV.exe.log, ASCII 10->48 dropped 72 Uses regedit.exe to modify the Windows registry 10->72 14 DWWIN.EXE 10->14         started        17 ctfmon.exe 10->17         started        19 regedit.exe 10->19         started        21 rundll32.exe 10->21         started        signatures5 process6 signatures7 82 Modifies the context of a thread in another process (thread injection) 14->82 84 Maps a DLL or memory area into another process 14->84 86 Sample uses process hollowing technique 14->86 88 2 other signatures 14->88 23 explorer.exe 1 6 14->23 injected process8 dnsIp9 50 www.howwiki.pro 103.224.212.219, 49920, 49921, 49922 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 23->50 52 www.sofassalepe.com 185.53.179.94, 49909, 49910, 49911 TEAMINTERNET-ASDE Germany 23->52 54 21 other IPs or domains 23->54 44 C:\Users\user\AppData\...\lpxxnfkxt2kdbx7.exe, PE32 23->44 dropped 46 C:\...\lpxxnfkxt2kdbx7.exe, PE32 23->46 dropped 66 System process connects to network (likely due to code injection or exploit) 23->66 68 Benign windows process drops PE files 23->68 70 Performs DNS queries to domains with low reputation 23->70 28 cscript.exe 1 12 23->28         started        31 BackgroundTransferHost.exe 13 23->31         started        33 lpxxnfkxt2kdbx7.exe 23->33         started        file10 signatures11 process12 signatures13 74 Tries to steal Mail credentials (via file / registry access) 28->74 76 Tries to harvest and steal browser information (history, passwords, etc) 28->76 78 Modifies the context of a thread in another process (thread injection) 28->78 80 2 other signatures 28->80 35 cmd.exe 2 28->35         started        38 cmd.exe 1 28->38         started        process14 signatures15 64 Tries to harvest and steal browser information (history, passwords, etc) 35->64 40 conhost.exe 35->40         started        42 conhost.exe 38->42         started        process16
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Status:
Malicious
First seen:
2022-06-02 19:47:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
62
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:cfp6 loader persistence rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Views/modifies file attributes
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
54c9ea80fc522b935b745c8c14c0568a5de5c5d0a7262b97e2893ab1079ddac5
MD5 hash:
a5d2d424d325715c978617b4c7d74c7c
SHA1 hash:
5559351f47625feeb0648d853782085aeb413a7c
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
8d9dfcc6b6ca6a08a839d8d87ec1e36e79523b63b4564ed22a5bba7adc6e0a55
MD5 hash:
dbbdcd31dec4d569110f83e937656950
SHA1 hash:
709036507f63409fc3fe5c4536d4f5c07166f0d6
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 8d9dfcc6b6ca6a08a839d8d87ec1e36e79523b63b4564ed22a5bba7adc6e0a55

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-13 16:12:01 UTC

url : hxxp://103.74.105.221/spacedisk/vbc.exe